The Network Times
Saturday, 31 July 2021

LISP - OMP - BGP EVPN Interoperability - Part IV: BGP EVPN IP Prefix Route (Type 5)

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Introduction   Figure 3-1 shows the Overlay Network Control-Plane interaction. Edge-xTR-11 registers reachability information (IP addres...
Wednesday, 28 July 2021

LISP - OMP - BGP EVPN Interoperability - Part III: SD-WAN Control Plane

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 Introduction   Figure 2-1 shows the Control Plane operation when host EP1 using IP 172.16.100.10/32 joins the network. In the previous ...
Wednesday, 21 July 2021

LISP - OMP - BGP EVPN Interoperability - Part II: VPNv4 Update from Control Plane to Border-PxTR

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  The previous chapter describes how Edge-xTR-11 used LISP Map-Register message to advertise EID-to-RLOC information to MapServ-22. It also ...
3 comments:
Tuesday, 20 July 2021

LISP - OMP - BGP EVPN Interoperability - Part I: LISP EID-to-RLOC Registration

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I have written a couple of books about Network Virtualization  O verlay   over Layer 3 (NVO3). My first book was about Datacenter network vi...
1 comment:
Friday, 21 May 2021

Cisco SD-WAN

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Table of Contents Chapter 1: Setting Up On-Prem Controllers 1     Introduction 1     Configuring IOS-XE Certification Server 2     Enabling ...
4 comments:
Sunday, 25 April 2021

SD-WAN Part V: Hub and Spoke with Restrected Spoke Sites

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    Introduction   Cisco Viptela SD-WAN solution builds a full-mesh topology between vEdge devices by default when there are no Contro...
3 comments:
Wednesday, 14 April 2021

SD-WAN Part IV: MPLS Network with IS-IS Segment Routing as SD-WAN Transport

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  Introduction   In order to have IP connectivity between hosts A and B over the underlay transport network, we need to build a tunnel (...
3 comments:
Friday, 9 April 2021

Cisco SD-WAN - Part III: Overlay Management Protocol

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  Introduction   This chapter introduces the operation of the Overlay Management Protocol (OMP). It starts by introducing TLOC Routes wh...
3 comments:
Monday, 22 March 2021

Cisco SD-WAN - Part II: Manual vEdge Provision Process

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Introduction   This chapter explains how we can provision vEdge devices manually. It starts by explaining how to build an initial system...
2 comments:
Monday, 15 March 2021

Cisco SD-WAN: vManage, vBond, and vMSmart On-Prem Installation Process.

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  Introduction This section explains the process how to build an on-prem Cisco Viptela based SD-WAN control plane system. It starts by set...
11 comments:
Tuesday, 15 December 2020

Object-based Approach to Cisco ACI:

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 A Guide to Understand the Logic Behind Application Centric Infrastructure  This book will be soon available Click " read more >>...
5 comments:
Sunday, 25 October 2020

ACI Fabric Access Policies Part 4: Leaf Interface Profile, Leaf Switch Policy Group, and Leaf Switch Profile,

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Leaf Interface Profile   This section explains how to create an object Interface Profile whose basic purpose is to attach the set of ph...
1 comment:

ACI Fabric Access Policies Part 3: AAEP, Interface Policy and Interface Policy Group

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  Attachable Access Entity Profile - AAEP This section explains how to create an object Attachable Access Entity Profile (AAEP) that is used...
Thursday, 22 October 2020

ACI Fabric Access Policies Part 2: Physical Domain

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 Physical Domain This section explains how to create a Physical Domain (Fabric Access Policy). It starts by mapping the REST call POST metho...
Wednesday, 21 October 2020

ACI Fabric Access Policies Part 1: VLAN Pool

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  Introduction   Everything in ACI is managed as an Object . Each object belongs to a certain Class . As an example, when we create a VL...
Saturday, 5 September 2020

VXLAN Fabric with BGP EVPN Control-Plane: Design Considerations - Book Description and ToC

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About this book   The intent of this book is to explain various design models for Overlay Network and Underlay Network used in VXLAN Fabric ...
7 comments:
Wednesday, 15 July 2020

BGP EVPN Underlay Network with BGP (Multi-AS)

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Introduction The focus of this chapter is to explain the BGP Multi-AS Underlay Network design in BGP EVPN/VXLAN Fabric. It starts by e...
Tuesday, 7 July 2020

BGP EVPN Underlay Network with OSPF

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Introduction The foundation of a modern Datacenter fabric is an Underlay Network and it is crucial to understand the operation of the C...
4 comments:
Wednesday, 25 March 2020

Comparing Internet Connection used in AWS and LISP Based Networks

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Forewords This post starts by discussing the Internet connection from the AWS VPC Control Plane operation perspective. The public AWS ...
8 comments:
Thursday, 12 March 2020

Intra-Subnet Communication: AWS VPC versus LISP Based Campus Fabric

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Forewords This article introduces the principles of the Amazon Web Service Virtual Private Cloud (AWS VPC) Control-Plane operation a...
3 comments:
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